Troubleshooting for CAN-DTC: Notes
Perform this when CAN-DTC is detected.
NOTE:
- When performing this troubleshooting, be sure to have full understanding of PRECAUTION OF TROUBLESHOOTING FOR CAN and observe it.
- It may be possible that CAN system has trouble because of fuse blown or low battery voltage. Before troubleshooting, check to make sure that fuse, battery voltage and generator status are normal.
- When performing "Communication Bus Check" using SUZUKI scan tool (SUZUKI-SDT) in each step of this troubleshooting, use the following table to determine whether the control module is in good condition or not.
Also, while performing "Communication Bus Check", do not perform any work other than instructed in this troubleshooting. Or, it may occur that display of control module/sensor on SUZUKI-SDT screen and/or its background color may change.
TROUBLESHOOTING FOR CAN-DTCJudgment Display of Communication Bus Check Normal - All connected control modules/sensors (communicated by CAN) are displayed and its back ground color is "White".
Abnormal - Even one of connected control modules/sensors (communicated by CAN) is not displayed.
- Display of even one of connected control modules/sensors (communicated by CAN) changes.
- Background color of even one of connected control modules/sensors (communicated by CAN) is displayed in "Gray" or "Light green".
- Background color of even one of connected control modules/sensors (communicated by CAN) changes
- When disconnecting each control module connector in this troubleshooting, various DTCs will be detected. Be sure to clear DTCs in the following control modules after completing this troubleshooting.
- ECM
- BCM
- TCM
- Keyless start control module
- 4WD control module
- ESP® control module
- HVAC control module (Auto A/C model)
- P/S control module (Electric type)